how can i fix cash register to see display?

all of a sudden my display on my cash register is black. i have a samsung er650. i can vaguly see what i have rung up in the background. but the display is black
marie bagdasarian, September 2005


done
Open the casing and disconnect the display power from the mother board. It is 2 red wires. Reconnect the cables, and put the lid back on. Should work, don't know why. Rubbish machine. One of the worst they ever made. Sorry!

Lou, June 2008
Open the casing and disconnect the display power from the mother board. It is 2 red wires. Reconnect the cables, and put the lid back on. Should work, don't know why. Rubbish machine. One of the worst they ever made. Sorry!

Lou, June 2008
link Click here to see other fixes for Samsung.